Cooler than the flip side of your pillow, Restonic's luxuriously soft, new HealthRest Bliss 13"" Plush Mattress is designed to grab the attention of those that desire a health-focused sleep. If you believe a good night sleep sits at the intersection of overall health and well-being, this wondrous mattress is for you with its balance of cooling foams and the extra-cushioning and body-contouring support provided by CoolFlow Medium Comfort Foam and exclusive TempaGel.